Home / 800,882.22-1,105,108.38-478,524.18

Finding the Fourth Proportional to 800,882.22, 1,105,108.38 and 478,524.18

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Solution

The fourth proportional to 800,882.22, 1,105,108.38 and 478,524.18 is: 660,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,882.22 : 1,105,108.38 = 478,524.18 : x
  2. Step 2: Convert to fraction form
    800,882.22/1,105,108.38 = 478,524.18/x
  3. Step 3: Cross multiply
    800,882.22x = 1,105,108.38 × 478,524.18
  4. Step 4: Simplify right side
    800,882.22x = 528,821,081,350.63
  5. Step 5: Solve for x
    x = 528,821,081,350.63/800,882.22
  6. Step 6: Final answer
    x = 660,298.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.